Messages in this thread | | | Date | Thu, 1 Aug 2019 18:34:53 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH v4 1/3] mm/gup: add make_dirty arg to put_user_pages_dirty_lock() |
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On Thu, Aug 01, 2019 at 11:19:06AM -0300, Jason Gunthorpe wrote: > Sadly usnic does not use the core rdma umem abstraction but open codes > an old version of it. > > In this version each sge in the sgl is exactly one page. See > usnic_uiom_get_pages - so I think this loop is not a bug?
Actually, yes - I think we are fine given that we pass in the number of elements. Thus merging by iommus won't affect the list.
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